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JPL Small-Body Database Browser
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376744 (1999 TZ261)
Classification: Main-belt Asteroid          SPK-ID: 2376744
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1786232603478417 6.8773e-08  
a 2.291056481309299 1.527e-08 au
q 1.881820502976778 1.526e-07 au
i 5.196940315858551 1.0084e-05 deg
node 8.435368232792698 6.9589e-05 deg
peri 73.09085512962682 8.0168e-05 deg
M 300.6763767962541 3.5463e-05 deg
tp 2459209.226354413730
(2020-Dec-25.72635441)
0.00012573 TDB
period 1266.636856128476
3.47
1.2663e-05
3.467e-08
d
yr
n .2842172152643291 2.8415e-09 deg/d
Q 2.70029245964182 1.7998e-08 au
  Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      6734 days (18.44 yr)  
   first obs. used      1999-10-11  
   last obs. used      2018-03-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53216  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:35:55  

Additional Information
 Earth MOID = .90526 au 
 Jupiter MOID = 2.54674 au 
 T_jup = 3.572 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.9   n/a MPO193909  

376744 (1999 TZ261)          Discovered 1999-Oct-13 by LINEAR at Socorro
Reference: Last Updated: 2013-11-20

[ show close-approach data ]
Alternate Designations
 1999 TZ261 = 2006 UY265 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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